/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: fzykd
 * Date: 2023-05-11
 * Time: 15:34
 */

//DVD播放机
public class DVDPlayer {

    //使用单例模式 饿汉式
    private static DVDPlayer instance = new DVDPlayer();

    public static DVDPlayer getInstance(){
        return instance;
    }

    public void on(){
        System.out.println("dvd on");
    }

    public void off(){
        System.out.println("dvd off");
    }

    public void play(){
        System.out.println("dvd is palying");
    }

    public void pause(){
        System.out.println("dvd pause ..");
    }
}
